import { v4 as uuidv4 } from "uuid"
// 生成一个随机字符串，且每次执行不能发生变化，游客身份持久存储
export const getUUID = () => {
    // 检查本地存储是否有uuid
    let uuid_token = localStorage.getItem("UUIDTOKEN")
    if (!uuid_token) {
        // 生成游客临时身份
        uuid_token = uuidv4()
        // 存储到本地
        localStorage.setItem("UUIDTOKEN", uuid_token)
    }
    return uuid_token
}
